Home / 2,761,362.18-4,142,282.70-842,705.39

Finding the Fourth Proportional to 2,761,362.18, 4,142,282.70 and 842,705.39

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Solution

The fourth proportional to 2,761,362.18, 4,142,282.70 and 842,705.39 is: 1,264,131.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,362.18 : 4,142,282.70 = 842,705.39 : x
  2. Step 2: Convert to fraction form
    2,761,362.18/4,142,282.70 = 842,705.39/x
  3. Step 3: Cross multiply
    2,761,362.18x = 4,142,282.70 × 842,705.39
  4. Step 4: Simplify right side
    2,761,362.18x = 3,490,723,953,980.23
  5. Step 5: Solve for x
    x = 3,490,723,953,980.23/2,761,362.18
  6. Step 6: Final answer
    x = 1,264,131.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.